Implement <pty.h>.
Based on the package/apps/Terminal implementation. I'll switch them over
shortly. This also lets us build the toybox version of netcat.
Change-Id: Ia922a100141a67409264b43b937eeca07b21f344
diff --git a/libc/include/pty.h b/libc/include/pty.h
new file mode 100644
index 0000000..bca1137
--- /dev/null
+++ b/libc/include/pty.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _PTY_H
+#define _PTY_H
+
+#include <sys/cdefs.h>
+
+#include <termios.h>
+#include <sys/ioctl.h>
+
+__BEGIN_DECLS
+
+int openpty(int*, int*, char*, const struct termios*, const struct winsize*);
+int forkpty(int*, char*, const struct termios*, const struct winsize*);
+
+__END_DECLS
+
+#endif /* _PTY_H */
diff --git a/libc/include/utmp.h b/libc/include/utmp.h
index d764227..ebf2372 100644
--- a/libc/include/utmp.h
+++ b/libc/include/utmp.h
@@ -91,6 +91,8 @@
void setutent();
struct utmp* getutent();
+int login_tty(int);
+
__END_DECLS
#endif /* _UTMP_H_ */